NWS Forecast for: Mount St Helens WA
Issued by: National Weather Service Portland, OR
Last Update: 8:49 pm PDT May 28, 2017
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  • Overnight

    Overnight: Partly cloudy, with a low around 52. Southeast wind 5 to 7 mph.

    Partly Cloudy



    Low: 52 °F

  • Memorial
    Day

    Memorial Day: Mostly sunny, with a high near 77. East southeast wind 5 to 8 mph becoming south in the afternoon.

    Mostly Sunny



    High: 77 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. West wind around 6 mph becoming east northeast in the evening.  Chance of precipitation is 30%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 55 °F

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 63. East wind around 6 mph becoming light and variable  in the morning.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers


    High: 63 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 43. West wind around 6 mph.  Chance of precipitation is 50%.

    Chance
    Showers


    Low: 43 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers before 11am.  Cloudy, with a high near 58.

    Slight Chance
    Showers then
    Cloudy

    High: 58 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers, mainly after 11pm.  Cloudy, with a low around 45.

    Chance
    Showers


    Low: 45 °F

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 57.

    Chance
    Showers


    High: 57 °F

  • Thursday
    Night

    Thursday Night: A chance of showers, mainly before 11pm.  Mostly cloudy, with a low around 43.

    Chance
    Showers


    Low: 43 °F

  • Overnight: Partly cloudy, with a low around 52. Southeast wind 5 to 7 mph.

    Memorial Day: Mostly sunny, with a high near 77. East southeast wind 5 to 8 mph becoming south in the afternoon.

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. West wind around 6 mph becoming east northeast in the evening. Chance of precipitation is 30%.

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 63. East wind around 6 mph becoming light and variable in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. West wind around 6 mph. Chance of precipitation is 50%.

    Wednesday: A 20 percent chance of showers before 11am. Cloudy, with a high near 58.

    Wednesday Night: A 30 percent chance of showers, mainly after 11pm. Cloudy, with a low around 45.

    Thursday: A chance of showers. Mostly cloudy, with a high near 57.

    Thursday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 43.

    Friday: A slight chance of rain showers before 11am, then a slight chance of rain and snow showers. Partly sunny, with a high near 56.

    Friday Night: A slight chance of rain and snow showers. Mostly cloudy, with a low around 43.

    Saturday: Mostly sunny, with a high near 60.

    Saturday Night: Partly cloudy, with a low around 44.

    Sunday: Mostly sunny, with a high near 64.



    Mount St Helens WA
     46.2°N 122.18°W (Elev. 5997 ft)

    Visit your local NWS office at: http://www.wrh.noaa.gov/pqr